polyclonal activator

polyclonal activator
a mitogen that activates lymphocytes of many antigenic specificities, in contrast to an antigen, which only activates cells specific for the antigen. Some polyclonal activators activate T cells; others activate B cells.

Medical dictionary. 2011.

Игры ⚽ Нужно решить контрольную?

Look at other dictionaries:

  • activator — 1. A substance that renders another substance, or catalyst, active, or that accelerates a process or reaction. 2. The fragment, produced by chemical cleavage of a proactivator, that induces the enzymic activity of another …   Medical dictionary

  • lipopolysaccharide — 1. A compound or complex of lipid and carbohydrate. 2. The l. (endotoxin) released from the cell walls of Gram negative organisms that produces septic shock. * * * li·po·poly·sac·cha·ride .lip ō .päl i sak ə .rīd, .lī pō n a large molecule… …   Medical dictionary

  • Immunosuppressive drug — For a list of immunosuppressive drugs, see the transplant rejection page .Immunosuppressive drugs, immunosuppressive agents, or immunosuppressants are drugs that inhibit or prevent activity of the immune system. They are used in immunosuppressive …   Wikipedia

  • drug — drug1 /drug/, n., v., drugged, drugging. n. 1. Pharm. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well being. 2. (in federal law) a. any substance… …   Universalium

  • Drug — /droog/, n. Zoroastrianism. the cosmic principle of disorder and falsehood. Cf. Asha. [ < Avestan drauga] * * * I Any chemical agent that affects the function of living things. Some, including antibiotics, stimulants, tranquilizers,… …   Universalium

  • List of molecular biology topics — This is a list of topics in molecular biology. See also list of biochemistry topics. NOTOC # 3 end 3 flanking region 5 end 5 flanking region 5 ribose 3 A acrylamide gels adenine adenosine deaminase deficiency adenovirus agarose gel… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”